Home / 384,375,278.70-530,431,328.66-208,161,842.22

Finding the Fourth Proportional to 384,375,278.70, 530,431,328.66 and 208,161,842.22

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Solution

The fourth proportional to 384,375,278.70, 530,431,328.66 and 208,161,842.22 is: 287,259,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,375,278.70 : 530,431,328.66 = 208,161,842.22 : x
  2. Step 2: Convert to fraction form
    384,375,278.70/530,431,328.66 = 208,161,842.22/x
  3. Step 3: Cross multiply
    384,375,278.70x = 530,431,328.66 × 208,161,842.22
  4. Step 4: Simplify right side
    384,375,278.70x = 110,415,562,545,067,888
  5. Step 5: Solve for x
    x = 110,415,562,545,067,888/384,375,278.70
  6. Step 6: Final answer
    x = 287,259,791.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.